20984552

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19234648

約数列:

[1, 2, 4, 8, 113, 139, 167, 226, 278, 334, 452, 556, 668, 904, 1112, 1336, 15707, 18871, 23213, 31414, 37742, 46426, 62828, 75484, 92852, 125656, 150968, 185704, 2623069, 5246138, 10492276, 20984552]

約数ペア:

[(1, 20984552), (2, 10492276), (4, 5246138), (8, 2623069), (113, 185704), (139, 150968), (167, 125656), (226, 92852), (278, 75484), (334, 62828), (452, 46426), (556, 37742), (668, 31414), (904, 23213), (1112, 18871), (1336, 15707)]